two-fold-classification

例句：

1. 1.The two-fold classification of the datais essential for accurate analysis.
   数据的双重分类对于准确的分析至关重要。
2. 2. In biology, two-fold classification is used to categorize organisms based on their physical characteristics.
   在生物学中，二分法分类用于根据生物的物理特征对生物进行分类。
3. 3. The two-fold classification ofspecies has been a topic of debate inevolutionary biology.
   物种的二分法分类一直是进化生物学中的一个争论话题。